7 and shall not God execute the justice to His choice ones, who are crying unto Him day and night—bearing long in regard to them?

Matthew Henry's Commentary on Luke 18:7

Commentary on Luke 18:1-8

(Read Luke 18:1-8)

All God's people are praying people. Here earnest steadiness in prayer for spiritual mercies is taught. The widow's earnestness prevailed even with the unjust judge: she might fear lest it should set him more against her; but our earnest prayer is pleasing to our God. Even to the end there will still be ground for the same complaint of weakness of faith.